DE102014118013B4 - Laufradanordnung mit einer Schaufelabschlussanordnung und zugehörige Turbine - Google Patents

Laufradanordnung mit einer Schaufelabschlussanordnung und zugehörige Turbine Download PDF

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Publication number
DE102014118013B4
DE102014118013B4 DE102014118013.5A DE102014118013A DE102014118013B4 DE 102014118013 B4 DE102014118013 B4 DE 102014118013B4 DE 102014118013 A DE102014118013 A DE 102014118013A DE 102014118013 B4 DE102014118013 B4 DE 102014118013B4
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Germany
Prior art keywords
peripheral edge
impeller
angle
vane
leading
Prior art date
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Active
Application number
DE102014118013.5A
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German (de)
English (en)
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DE102014118013A1 (de
Inventor
Robert Edward Deallenbach
Ravichandran Pazhur Nair
Douglas Arthur Lupe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Vernova GmbH
Original Assignee
General Electric Technology GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by General Electric Technology GmbH filed Critical General Electric Technology GmbH
Publication of DE102014118013A1 publication Critical patent/DE102014118013A1/de
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Publication of DE102014118013B4 publication Critical patent/DE102014118013B4/de
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/13—Two-dimensional trapezoidal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE102014118013.5A 2013-12-17 2014-12-05 Laufradanordnung mit einer Schaufelabschlussanordnung und zugehörige Turbine Active DE102014118013B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/109,549 US9689268B2 (en) 2013-12-17 2013-12-17 Turbine bucket closure assembly and methods of assembling the same
US14/109,549 2013-12-17

Publications (2)

Publication Number Publication Date
DE102014118013A1 DE102014118013A1 (de) 2015-06-18
DE102014118013B4 true DE102014118013B4 (de) 2025-04-17

Family

ID=53192774

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102014118013.5A Active DE102014118013B4 (de) 2013-12-17 2014-12-05 Laufradanordnung mit einer Schaufelabschlussanordnung und zugehörige Turbine

Country Status (6)

Country Link
US (1) US9689268B2 (enrdf_load_stackoverflow)
JP (1) JP6408888B2 (enrdf_load_stackoverflow)
KR (1) KR102273496B1 (enrdf_load_stackoverflow)
CN (1) CN104712373B (enrdf_load_stackoverflow)
CH (1) CH709046A2 (enrdf_load_stackoverflow)
DE (1) DE102014118013B4 (enrdf_load_stackoverflow)

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* Cited by examiner, † Cited by third party
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EP3042737A1 (de) * 2015-01-12 2016-07-13 Siemens Aktiengesellschaft Verfahren zur montage von laufschaufeln an einer rotorscheibe sowie spannvorrichtung zur durchführung eines solchen verfahrens
KR101689085B1 (ko) * 2015-08-03 2017-01-02 두산중공업 주식회사 터빈용 마지막 버켓 고정장치 및 이를 이용한 마지막 버켓의 조립 방법
CN105201561A (zh) * 2015-09-15 2015-12-30 北京航空航天大学 一种成对矩形齿配合的涡轮叶片叶冠
KR101867057B1 (ko) * 2016-05-25 2018-06-14 두산중공업 주식회사 롬빅 커버를 구비한 터빈 버킷
US10465537B2 (en) 2016-05-27 2019-11-05 General Electric Company Margin bucket dovetail radial support feature for axial entry buckets
KR101877677B1 (ko) * 2017-05-12 2018-07-11 두산중공업 주식회사 회전체, 이를 제조하기 위한 회전체 제조방법 및 이를 포함하는 증기 터빈
US10544691B2 (en) * 2018-01-04 2020-01-28 Solar Turbines Incorporated Staking tool assembly
IT201900017171A1 (it) * 2019-09-25 2021-03-25 Ge Avio Srl Protezioni delle punte delle pale di turbina desintonizzate
IT202000003895A1 (it) 2020-02-25 2021-08-25 Nuovo Pignone Tecnologie Srl Metodo per fornire interferenza di protezione alle lame ad entrata assiale in una macchina rotativa e macchina rotativa.
US11555407B2 (en) 2020-05-19 2023-01-17 General Electric Company Turbomachine rotor assembly
CN112412541B (zh) * 2020-11-05 2022-07-15 中国航发沈阳发动机研究所 一种带凸肩一级转子结构
JP2023119098A (ja) * 2022-02-16 2023-08-28 三菱重工航空エンジン株式会社 タービン

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060177314A1 (en) * 2004-09-16 2006-08-10 Yutaka Yamashita Turbine rotor blade and turbine
US20090290983A1 (en) * 2008-05-26 2009-11-26 Kabushiki Kaisha Toshiba Turbine blade assembly and steam turbine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59192801A (ja) * 1983-04-15 1984-11-01 Hitachi Ltd 着脱容易な動翼固定方法
JPS62139904A (ja) * 1985-12-12 1987-06-23 Toshiba Corp タ−ビン動翼の固定装置
US5509784A (en) 1994-07-27 1996-04-23 General Electric Co. Turbine bucket and wheel assembly with integral bucket shroud
US6030178A (en) 1998-09-14 2000-02-29 General Electric Co. Axial entry dovetail segment for securing a closure bucket to a turbine wheel and methods of installation
US6416286B1 (en) 2000-12-28 2002-07-09 General Electric Company System and method for securing a radially inserted integral closure bucket to a turbine rotor wheel assembly having axially inserted buckets
US6827554B2 (en) * 2003-02-25 2004-12-07 General Electric Company Axial entry turbine bucket dovetail with integral anti-rotation key
GB0406889D0 (en) * 2004-03-26 2004-04-28 Alstom Technology Ltd Turbine and turbine blade
US7270518B2 (en) 2005-05-19 2007-09-18 General Electric Company Steep angle turbine cover buckets having relief grooves
US7344359B2 (en) 2005-06-02 2008-03-18 General Electric Company Methods and systems for assembling shrouded turbine bucket and tangential entry dovetail
US20120177498A1 (en) * 2011-01-07 2012-07-12 General Electric Company Axial retention device for turbine system
US8894368B2 (en) * 2012-01-04 2014-11-25 General Electric Company Device and method for aligning tip shrouds
US9175570B2 (en) * 2012-04-24 2015-11-03 United Technologies Corporation Airfoil including member connected by articulated joint
US9347326B2 (en) * 2012-11-02 2016-05-24 General Electric Company Integral cover bucket assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060177314A1 (en) * 2004-09-16 2006-08-10 Yutaka Yamashita Turbine rotor blade and turbine
US20090290983A1 (en) * 2008-05-26 2009-11-26 Kabushiki Kaisha Toshiba Turbine blade assembly and steam turbine

Also Published As

Publication number Publication date
CH709046A2 (de) 2015-06-30
KR102273496B1 (ko) 2021-07-08
DE102014118013A1 (de) 2015-06-18
KR20150070961A (ko) 2015-06-25
CN104712373A (zh) 2015-06-17
JP6408888B2 (ja) 2018-10-17
JP2015129511A (ja) 2015-07-16
US20150167469A1 (en) 2015-06-18
CN104712373B (zh) 2018-06-05
US9689268B2 (en) 2017-06-27

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R012 Request for examination validly filed
R081 Change of applicant/patentee

Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH

Free format text: FORMER OWNER: GENERAL ELECTRIC COMPANY, SCHENECTADY, N.Y., US

R016 Response to examination communication
R018 Grant decision by examination section/examining division